Underlying
ahd-5
adjective.
Lying under or beneath something.
adjective.
Basic; fundamental.
adjective.
Present but not readily noticeable.
adjective.
Taking precedence; prior.
The Century Dictionary and Cyclopedia
Lying beneath or under; supporting; fundamental: as,
underlying
principles; specifically, in
geology
, noting a formation, rocks, or strata lying below others.
the GNU version of the Collaborative International Dictionary of English
adjective.
Lying under or beneath
adjective.
Fundamental; basic
adjective.
Implicit; not immediately obvious; requiring careful scrutiny to discover.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
lying
underneath
adjective.
basic
or
fundamental
adjective.
implicit
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
located beneath or below
adjective.
being or involving basic facts or principles
adjective.
in the nature of something though not readily apparent